Internal Medicine, Gastroenterology · San Jose, CA
NPI
1073517306
Since 2005
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
2331 Montpelier Dr Ste B
San Jose, CA, 95116
Phone (408) 347-9001
Groups this clinician bills Medicare through
Medicare paid, 2024
$64K
730 services
Medicare patients, 2024
311
Average age 75
Drug cost, 2024
$1.5M
1,843 prescriptions
Company payments, 2025
$6,768
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Huy A Nguyen was code 88305 (surgical pathology examination), 162 times for 85 patients. In total Huy A Nguyen billed 730 services in 26 codes, and Medicare paid $64K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-11-07.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 88305 Surgical Pathology Examination | Office | 162 | 85 | $39.68 | $6,428 |
| 99213 Office E&M - Established | Office | 121 | 95 | $77.61 | $9,391 |
| 99214 Office E&M - Established | Office | 112 | 95 | $112.36 | $13K |
| 45385 Colonoscopy - Lesion Removal | Facility | 54 | 53 | $195.94 | $11K |
| 99203 Office E&M - New | Office | 48 | 48 | $81.36 | $3,905 |
| G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | Facility | 47 | 47 | $4.21 | $198 |
| 99204 Office E&M - New | Office | 41 | 41 | $124.52 | $5,105 |
| 43239 Upper GI Endoscopy | Facility | 39 | 39 | $71.20 | $2,777 |
| 45380 Lower GI Endoscopy - Other | Facility | 28 | 28 | $120.94 | $3,386 |
| 88312 Surgical Pathology Examination | Office | 21 | 14 | $97.18 | $2,041 |
| 45378 Lower GI Endoscopy - Other | Facility | 13 | 13 | $146.45 | $1,904 |
| 99202 Office E&M - New | Office | 11 | 11 | $51.54 | $567 |
By year: 2022 $112K for 1,228 services; 2023 $99K for 1,126 services; 2024 $64K for 730 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 88305 Surgical Pathology Examination | 162 | 85 | $39.68 | $6,428 |
| 88312 Surgical Pathology Examination | 21 | 14 | $97.18 | $2,041 |
Medicare prescription drug claims, 2024
In 2024, the drug Huy A Nguyen prescribed most often to Medicare patients was Vemlidy (Tenofovir Alafenamide), with 693 prescriptions and refills. In total Huy A Nguyen wrote 1,843 Medicare prescriptions that cost $1.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Vemlidy Tenofovir Alafenamide | 693 | 770 | 73 | $1.1M |
| Entecavir Generic | 257 | 325 | 33 | $40K |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 217 | 217 | 209 | $14K |
| Omeprazole Generic | 137 | 229 | 76 | $965 |
| Tenofovir Disoproxil Fumarate Generic | 68 | 94 | Under 11 | $8,848 |
| Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg | 54 | 54 | 53 | $1,223 |
| Pantoprazole Sodium Generic | 33 | 55 | 17 | $471 |
| Azathioprine Generic | 24 | 54 | Under 11 | $707 |
| Creon Lipase/Protease/Amylase | 23 | 27 | Under 11 | $29K |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 22 | 22 | 21 | $331 |
| Esomeprazole Magnesium Generic | 22 | 26 | Under 11 | $1,094 |
| Famotidine Generic | 22 | 45 | Under 11 | $176 |
| Metronidazole Generic | 17 | 17 | 17 | $118 |
| Propranolol Hcl Generic | 16 | 17 | Under 11 | $165 |
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 16 | 16 | 16 | $344 |
Brand drugs: - claims; generic drugs: 972 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Huy A Nguyen $6,768 ($6,768 in general payments such as food, travel and fees) from 8 companies. The largest payer was Gilead Sciences, Inc. with $6,495.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.